How do you solve #\frac { x + 2 } { 4 } - \frac { x - 1 } { 5 } = 1 5#?

Question

480 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2016-10-11T07:28:42

#x=286#

#"given : "(x+2)/4-(x-1)/5=15#

#(5*(x+2))/(4*5)-(4*(x-1))/(4*5)=15*20/20#

#(5x+10-4x+4)/20=300/20#

#(x+14)/cancel(20)=300/cancel(20)#

#x+14=300#

#x=300-14#

#x=286#